Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Pieterse, J (Jay-Leigh)
Dob:
2010/05/21 (U16)
Gender:
Female
Chess SA id:
2100151350
FIDE id:
Region:
Overberg (WOS)
Citizen:
RSA
Title(s):
Last active:
2024/06/08 (18 days ago)
Ratings
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1047.5
Current Weighted rating
1079.0
Current Weighted performance
977.7
Current official/published rating (highest between Raw, WR and WP)
1079.0
Current highest rating achieved
1117.6
Current floor (min rating allowed)
617.6
Current K-factor
40
Games played this month
6
Score (S)
3.5
Expected score (We)
2.12
Difference (S-We)
0.91
Current Raw change (no limits, including tournament time weight)
36.4
Current min/max change allowed (with limits)
±206.1
Current Raw change used (final)
36.4
Projected new Raw rating
1083.9
Projected new Weighed rating
989.9
Projected new Weighted performance
1058.0
Projected new final Raw rating (if new WP > new Raw)
1083.9
Projected new highest rating
1117.6
Projected new floor
617.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1083.9
Projected effective change (new Official - current Official)
+4.9
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1021.2
Current Weighted rating
1065.5
Current Weighted performance
902.8
Current official/published rating (highest between Raw, WR and WP)
1065.5
Current highest rating achieved
1126.0
Current floor (min rating allowed)
626.0
Current K-factor
40
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±213.9
Current Raw change used (final)
0.0
Projected new Raw rating
1021.2
Projected new Weighed rating
977.0
Projected new Weighted performance
902.8
Projected new final Raw rating (if new WP > new Raw)
1021.2
Projected new highest rating
1126.0
Projected new floor
626.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1021.2
Projected effective change (new Official - current Official)
-44.3
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1175.2
Current Weighted rating
1166.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1175.2
Current highest rating achieved
1175.2
Current floor (min rating allowed)
675.2
Current K-factor
40
s
Games played this month
6
Score (S)
3.5
Expected score (We)
3.14
Difference (S-We)
0.36
Current Raw change (no limits, including tournament time weight)
14.4
Current min/max change allowed (with limits)
±171.8
Current Raw change used (final)
14.4
Projected new Raw rating
1189.6
Projected new Weighed rating
1072.3
Projected new Weighted performance
914.4
Projected new final Raw rating (if new WP > new Raw)
1189.6
Projected new highest rating
1189.6
Projected new floor
689.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1189.6
Projected effective change (new Official - current Official)
+14.4
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Tournaments
History
Tournament:
Western Cape - Brian Raubenheimer Development Tournament 2024 (U15 Girls)
Start:
2024/06/08
End:
2024/06/08
Host:
WOS
Type:
Rapid
Time:
35
Time weight:
0.66
Rounds:
6
Games:
6
Score:
3.5
Main rating:
1047.5
Rating gain/loss:
36.4
Type rating:
1175.2
Rating gain/loss:
14.4
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
4
Western Cape - Brian Raubenheimer Development Tournament 2024 (U15 Girls)
2024/06/08
2024/06/08
Overberg (WOS)
Rapid
35
0.66
6
6
3.5
1047.5
1175.2
Analysis
3
Western Cape HS Individuals Championship 2024 (U15 Girls)
2024/03/21
2024/03/22
Overberg (WOS)
Standard
60
0.83
6
6
1.5
1060.8
1020.8
Analysis
2
Overberg High Schools Trails 2024 (U15 Girls)
2024/03/02
2024/03/02
Overberg (WOS)
Standard
60
0.83
5
4
1.0
1060.8
1020.8
Analysis
1
Overberg High Schools Trails 2024 (U15)
2024/02/24
2024/02/24
Overberg (WOS)
Rapid
20
0.47
5
5
2.5
1038.6
1154.4
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
8
Western Cape - Brian Raubenheimer Development Tournament 2024 (U15 Girls)
2024/06/08
2024/06/08
Overberg (WOS)
Rapid
35
0.66
6
6
3.5
1047.5
1175.2
Analysis
7
Western Cape HS Individuals Championship 2024 (U15 Girls)
2024/03/21
2024/03/22
Overberg (WOS)
Standard
60
0.83
6
6
1.5
1060.8
1020.8
Analysis
6
Overberg High Schools Trails 2024 (U15 Girls)
2024/03/02
2024/03/02
Overberg (WOS)
Standard
60
0.83
5
4
1.0
1060.8
1020.8
Analysis
5
Overberg High Schools Trails 2024 (U15)
2024/02/24
2024/02/24
Overberg (WOS)
Rapid
20
0.47
5
5
2.5
1038.6
1154.4
Analysis
4
Western Cape Top Schools 2023 (U13 Girls)
2023/09/02
2023/09/03
Cape Winelands (WCW)
Standard
60
0.83
6
5
0.0
1102.0
1102.0
Analysis
3
Overberg Top Schools 2023 (U13)
2023/08/05
2023/08/05
Overberg (WOS)
Standard
60
0.83
5
4
1.0
1117.6
1126.0
Analysis
2
Overberg School Chess Closed Tournament 2023 (U13 Girls)
2023/03/25
2023/03/25
Overberg (WOS)
Standard
60
0.83
5
5
1.0
1200.0
1200.0
Analysis
1
Overberg Schools Bredasdorp Zone Trails 2023 (U13)
2023/02/16
2023/03/02
Overberg (WOS)
Rapid
20
0.47
6
6
2.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
21
7
3
11
8.5
40.5
-81.0
1231.9
1150.9
White
12
5
0
7
5.0
41.7
-70.8
1261.8
1190.9
Black
9
2
3
4
3.5
38.9
-94.4
1192.0
1097.5
Standard
All
10
2
1
7
2.5
25.0
-212.5
1241.6
1029.1
White
5
1
0
4
1.0
20.0
-255.0
1282.5
1027.5
Black
5
1
1
3
1.5
30.0
-170.0
1200.8
1030.8
Rapid
All
11
5
2
4
6.0
54.5
38.6
1223.0
1261.6
White
7
4
0
3
4.0
57.1
60.7
1247.0
1307.7
Black
4
1
2
1
2.0
50.0
0.0
1181.0
1181.0
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
41
11
3
27
12.5
30.5
-165.9
1208.5
1042.6
White
21
8
0
13
8.0
38.1
-101.2
1212.7
1111.5
Black
20
3
3
14
4.5
22.5
-233.8
1204.0
970.3
Standard
All
24
4
1
19
4.5
18.8
-265.6
1207.5
941.9
White
11
2
0
9
2.0
18.2
-270.5
1198.9
928.4
Black
13
2
1
10
2.5
19.2
-261.5
1214.7
953.2
Rapid
All
17
7
2
8
8.0
47.1
-25.0
1209.9
1184.9
White
10
6
0
4
6.0
60.0
85.0
1227.9
1312.9
Black
7
1
2
4
2.0
28.6
-182.1
1184.1
1002.0
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
2100191684
Jacobs, T (Tineecke)
2
2.0
2
0
0
100.0
1049.7
425.0
1474.7
View list
2
2100193210
Dambrosio, D (Djuna)
2
1.0
1
0
1
50.0
1060.8
0.0
1060.8
View list
3
2100106826
Hendricks, L (Lakeisha)
2
0.0
0
0
2
0.0
1130.4
-425.0
705.4
View list
4
1110150712
Fredericks, T (Tedross)
1
1.0
1
0
0
100.0
1117.6
425.0
1542.6
View list
5
2100138473
Collins, X (Xiane)
1
1.0
1
0
0
100.0
1047.5
425.0
1472.5
View list
6
2090151278
Engelbrecht, J (Jenna)
1
1.0
1
0
0
100.0
1047.5
425.0
1472.5
View list
7
2090158348
Reynard, T (Tamara)
1
1.0
1
0
0
100.0
1047.5
425.0
1472.5
View list
8
1110151352
Smal, R (Riley)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
9
1110151353
Swart, J (Jayden)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
10
2110150718
Swart, T (Tayla)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
11
1100193223
Vogel, Z (Zandre)
1
1.0
1
0
0
100.0
1038.6
425.0
1463.6
View list
12
2090152208
Du Toit, I (Isabella)
1
0.5
0
1
0
50.0
1060.8
0.0
1060.8
View list
13
1100193211
Du Plessis, G (Gabriel)
1
0.5
0
1
0
50.0
1038.6
0.0
1038.6
View list
14
2090130803
Taute, M (Mecayla)
1
0.5
0
1
0
50.0
1047.5
0.0
1047.5
View list
15
2100158975
Koopman, N (Nuria)
1
0.0
0
0
1
0.0
1102.0
-425.0
677.0
View list
16
1130152294
Knapp, L (Liam)
1
0.0
0
0
1
0.0
1117.6
-425.0
692.6
View list
17
2100099926
Heydenrych, J (Jana)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
18
1110138421
Fisher, H (Heinz)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
19
2110146720
Fihla, L (Lethabo)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
20
2100193687
Healey, K (Katelyn)
1
0.0
0
0
1
0.0
1060.8
-425.0
635.8
View list